Role of HCG injection in follicular study

  • The role of HCG injection in follicular study is immense. Human chorionic gonadotropin or HCG injections can assist both men and women become more fertile.
  • HCG injections cause ovulation and prepare the egg for conception.
  • In males with hypogonadotropic hypogonadism, HCG injections can boost sperm count.

What does HCG do to the body?

An HCG injection has the benefit of being able to be used as a “trigger shot” to induce an egg follicle to develop and release an egg because HCG and luteinizing hormone (LH) share a similar chemical composition. It is possible to use the drug on its own, as part of an ovulation induction cycle like with intrauterine insemination, or during in vitro fertilization.

Your healthcare practitioner or fetal medicine specialist can better time intrauterine insemination or egg retrieval by taking advantage of the fact that the HCG injection will trigger ovulation about 36 hours after you receive it.

hcg brand

Does follicle size increase after the HCG shot?

Follicles increase 1 to 2 mm per day when using ovulatory stimulants and after receiving the HCG injection.

According to the data, HCG treatment plays a function in accelerating follicular growth to ovulation and boosting follicular expansion.

Progesterone levels in a particular group were 3.78 ± 1.34 ng/ml on day 2 after HCG administration and increased 5 days later (day 7) to 9.04 ± 1.85.

When does the follicle rupture after HCG injection?

Ovulation can occur within 24-48 hours after getting an injection of human chorionic gonadotropin, with the typical timing being within 36 hours. Ovulation within 24 hours is less likely, but it might happen, so couples should be prepared.

How long does the egg live after the HCG shot?

After receiving an HCG injection, ovulation takes slightly over 38 hours (Pregnyl). A four-hour window for egg retrieval, which is planned for 36 hours following the HCG injection, is provided by the eggs being developed and can float free around 34 hours after HCG.

If no one has recovered the eggs by this time, they will release. Any type of treatment can be planned in this amount of time.

After ovulation, eggs can be fertilized for 12 to 24 hours. This period of time gets shorter as a woman ages.

How many eggs are released after HCG injection?

By encouraging the growth and release of more than one egg, HCG can enable a woman to ovulate more than once during a single menstrual cycle. This medication is typically advised for women who ovulate sporadically or do not ovulate at all.


HCG injections and IUI are less invasive than IVF and may be used in fertility treatment as the first line of defense. If ovulation induction fails after one or more tries, IVF may be considered.

Schedule your fertility evaluation with Jammi Scans right away

If you are having trouble getting pregnant, you are not alone. It could be time to get a fertility evaluation to figure out what’s causing your incapacity to conceive. A fertility evaluation for both men and women should be performed to rule out or confirm any difficulties that one or both partners may be experiencing.

At Jammi Scans, we are dedicated to providing compassionate, comprehensive treatment to all of our patients. Contact us immediately for more information.

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